These Italian Military Dog Tags are the same type used for providing ID of dead or wounded troops. Could be used to communicate blood type, medical conditions, inoculation history and more. These are supplied blank, ready for you to add whatever customizations you want using your own tools. All Tags are blank, corrosion-resistant metal Each measures 1.75" x 1.38" Beaded chain is 27.5" l. (length may vary slightly)